YOU SAID:
This guy is nice for me but not for her
INTO JAPANESE
この男は私にはいいが彼女にはいい
BACK INTO ENGLISH
This guy is good for me but good for her
INTO JAPANESE
この男は私には良いが彼女には良い
BACK INTO ENGLISH
This guy is good for me but good for her
Come on, you can do better than that.